BLUETOOTH HEADPHONE

Chipset: JL 7006F4
Bluetooth Version: v5.3 + EDR 
Transmission Distance:10 m 
Paly Time: 50 hours 
Standby Time: 300 hours 
Battery: 400 mAh Rechargeable Lithium Battery
Charging Time: 3 hours
Speaker: Ø 40 mm
Sensitivity: 110 + 3dB S.P.L at 1KHZ
Impedance: 32 Ω
Frequency Response: 20hz-20khz
Rated Power: 15mW * 2
Music Playback Time: 50 hours
Play Time: 50 hours with 400mAh Battery Capacity